Police in Rio Grande Valley warn of fentanyl laced vape cartridges posing overdose risk to teens Fentanyl Found in Confiscated Vape Cartridges Reports of fentanyl laced vape pens in schools spark online debate Public Health Communications Collaborative WARNING] Our narcotics unit wanted to share some photos from the field with our residents. Here you will see seized rainbow fentanyl along with rainbow colored vapes and other paraphernalia. We have The E Cigarette Loophole: Illicit Disposable Vapes Declare War on Our Youth United States Hispanic Business Council (USHBC)